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In sulfur photosynthetic bacteria what is the molecule that donates hydrogen for photosynthesis?
In sulfur photosynthetic bacteria the substance that donates hydrogen is hydrogen sulfide (H2S) and not water. Thus there is no liberation of molecular oxygen but there is production of molecular sulfur (S2). (Oxygen and sulfur have similar number of valence electrons.)
When underlying coronary artery disease is the cause of heart failure in the coronary revascularization may both improve symptoms and prevent progression. Patients with angina and
why we add some sodium bicarbonate in water?
Relation of Water Content to Functions If an aquatic plant appearing turgid is removed from water and left in the open, it quickly wilts. The water content of the leaves may
Specify the term in detail - Swim bladder. Found in bony fish, this gas-filled chamber is used to main neutral buoyancy. Oxygen in blood is added or removed as required. Swim b
Qualitative Changes The qualitative changes in the structure of proteins in response to stress can lead to the following: Resistance against denaturation of prote
Excluding the effects of cardiac output and hormones, describe the other factors that may affect blood pressure and blood flow in a middle-aged man who is exercising in an aerobics
Q. Explain about Oxidation reduction potential? The tendency of a substrate to accept or donate electrons is termed its redox potential (Eh). When a substrate loses electrons,
What is Human Glucose Transporters (GLUT)? All GLUTS are the integral proteins, which penetrate and span the lipid bilayer of plasma membrane. Six isomers of GLUT have been des
How did the first fermenting autotrophs appeared? What about the first aerobic beings? A heterotrophic hypothesis asserts that the first living beings were the fermenting heter
State the Transmission of Visual Sensation This process takes place in the visual pathway from the retina to the visual cortex. 'The impulse originating in the retina travels a
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